期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 358, 期 4, 页码 539-542出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201500874
关键词
CC coupling; CH activation; copper; diindolylmethanes; methylenation
资金
- Shaanxi Innovative Team of Key Science and Technology [2013KCT-17]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT 14R33]
By using N,N-dimethylformamide (DMF) as a methylenating reagent, the copper-catalyzed CH activation of indole was demonstrated as an efficient and facile protocol for synthesizing 3,3-diindolylmethane (DIM) and its derivatives. The results indicate that copper chloride was the best catalyst among the investigated transition metal salts, which affords an excellent regioselectivity and good yield when tert-butyl hydroperoxide (TBHP) was used as an oxidant.
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